Selective zero electrical control system



Sept 19, 1967 E. J. TOSCANO ETAL SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Deo. 2.3, 1963 2O Sheets-Sheet 1 Sept. 19, 1967 E. J. TOSCANO ETAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM I Sept 19, 1957 E. .LV TOSCANO ETAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM 20 Sheets-Sheet 5 Filed Dec.

sept 19, 1967 E. J. TOSCANO ETAL. 3,343,053

SELETIVE ZERO ELECTRICAL CONTROL SYSTEM 2O Shee'cs-Sheet- 4 Filed DeC. 25, 1963 Sept 19, 1967 E. J. ToscANo ETAL SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM 2O Sheets-Sheet 5 Filed DeC. 23, 1963 Sept' 19, 1967 E. .1. ToscANo ETAL 3,343,053

SELECTIVE ZER ELECTRICAL CONTROL SYSTEM Sept- 19, 1957 E. J. ToscANo ETAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Dec. 23, 1963 2O Sheets-Sheet 7 Sept. 19, 1967 E. J. .TOSCANO ETAL SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM T 2O Sheets-Sheet 8 Sept. 19, 1967 E 1 TQSCANO ETA-L 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM 2o sheets-sheet 9 Filed DeC. 25, 1963 ida Sept. 19, 1967 E. .1. TOSCANO E'rAL. 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Dec. 23, 1963 2O Sheets-Sheet lo sept. 19, 1967 E. J. TOSCANO ETAL SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Deo. 25, 1963 20 Sheets-Sheet 11 Sept 19, 1957 E. J. TOSCANO E'rAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM f Sept- 19, 1967 E. JO. TOSCANO l-:TAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Dec. 25, 1963 2o sheets-shed 1s Sebi 19, 1967 E. J. TOSCANO ETAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Dec. 23, 1963 20 Sheets-Sheet 14 Sept. 19, 1967 SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Dec. 25, 1963 E. J. TOSCANO ETAL 2O Sheets-Sheet 15 Sept. 19, 1967 E. .1. TOSCANO ETAL 3,343,053

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM Filed Deo. 23, 1963 20 Sheets-Sheet 16 sept. 19, 1967 Filed Deo. 23, 1965 E. J. TOSCANO' ETAL i "SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM 2O Sheets-Sheet 17 Sept. T9, i967 E. J. TOSCANO ETAL SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM 2O Sheets-Sheetrl Filed Dec. 23, 1963 ww @NNN sept. 19, 1967 E. J. TOSCANO` ETAL. l

SELECTIVE ZERO ELECTRICAL CONTROL SYSTEM 2O Sheets-Sheet 19 Filed Deo. 25, 1963 

11. A POSITIONING SYSTEM FOR POSITIONING ONE MEMBER RELATIVE TO ANOTHER, COMPRISING: SERVO MEANS COUPLED TO SAID MEMBERS TO RELATIVELY MOVE SAID MEMBERS; A DISCRETE SIGNAL PROGRAM DEVICE; INCREMENTAL POSITION TRANSDUCER MEANS COUPLED TO SAID MEMBERS TO BE OPERATED THEREWITH; A DISCRETE SIGNAL DESIRED POSITION CIRCUIT COUPLED TO SAID PROGRAM DEVICE FOR RECEIVING DESIRED POSITION SIGNALS; A DISCRETE SIGNAL ZERO POSITION CIRCUIT COUPLED TO SAID PROGRAM DEVICE FOR RECEIVING ZERO POSITION SIGNALS; AN ACTUAL POSITION CIRCUIT COUPLED TO SAID INCREMENTAL POSITION TRANSDUCER MEANS TO BE CONTROLLED THEREBY; MEANS COUPLED TO SAID PROGRAM DEVICE FOR INITIATING OPERATION OF SAID SERVO MEANS; AND MEANS COUPLED TO SAID ACTUAL POSITION CIRCUIT AND SAID ZERO POSITION CIRCUIT AND RESPONSIVE THERETO FOR COUPLING SAID INCREMENTAL TRANSDUCER MEANSD TO SAID DISCRETE SIGNAL DESIRED POSITION CIRCUIT WHENEVER A PREDETERMINED RELATIONSHIP EXISTS BETWEEN THE DISCRETE SIGNALS OF SAID ACTUAL POSITION CIRCUIT AND THE DISCRETE SIGNAL OF SAID ZERO POSITION CIRCUIT. 